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Kerns JW, Krist AH, Woolf SH, Flores SK, Johnson RE.Kerns JW, et al. Among authors: krist ah.Fam Med. 2008 Mar;40(3):181-7.Fam Med. 2008.PMID: 18320396Clinical Trial.
Woolf SH, Krist AH, Johnson RE, Stenborg PS.Woolf SH, et al. Among authors: krist ah.Patient Educ Couns. 2005 Jan;56(1):116-24. doi: 10.1016/j.pec.2003.12.002.Patient Educ Couns. 2005.PMID: 15590232Clinical Trial.
Woolf SH, Krist AH, Johnson RE, Wilson DB, Rothemich SF, Norman GJ, Devers KJ.Woolf SH, et al. Among authors: krist ah.Ann Fam Med. 2006 Mar-Apr;4(2):148-52. doi: 10.1370/afm.522.Ann Fam Med. 2006.PMID: 16569718Free PMC article.